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15T挖掘机机械臂的改进设计及强度分析

Zhaoqiang WANG,Xiaolian YU,Jinbo WANG,Daoqiu ZHANG

Mining & Processing Equipment（2019）

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Abstract
两节臂挖掘机的挖掘范围有限,难以适应于挖掘范围广的工况.为扩大挖掘机的挖掘范围,提高其作业性能,将15 T挖掘机的动臂拆解成两节式动臂,和铲斗组成三节机械臂.对三节机械臂建立其动力学模型,并进行有限元分析.仿真结果表明,三节臂挖掘机的挖掘范围远大于15T两节臂挖掘机的挖掘范围,且优化后的机械臂满足强度要求.
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